ground hog 

when you have to take a huge shit, and you are at a place where you cant. The shit resembles a ground hog as it constantly pokes in and out of your ass.

Dude you have to pull over, I have a major ground hog here!!!

ground hog by Sal Costanzo January 3, 2004

ground hog 

another name for an abnormally small wang

dude i saw jimmy in the showers, hes a freakin ground hog.

ground hog by Shad Barley March 9, 2008

ground hog 

The tragic incident in which the small piece of skin on the underside of ones penis breaks in half causing immense pain. This is usually caused by roughly brushing the penis on the ground after intercourse.

Holy shit man! Another groundhog? You gotta start doing it on the bed instead!

ground hog by k0mmand0 April 7, 2004

Ground Hog 

One who pleasures himself from the use of holes in a feild and/or grassy knoll.

My god! Ground Hog Day already???

Ground Hog by Geoff March 14, 2003

Ground Hog 

When a male lets his female friends send dirty messages to his girl friend while she thinks its him

Keegan sat back and watched his female friends send dirty messages to his girl friend. AKA Ground Hog

Ground Hog by Loxter November 28, 2014

ground hog dump

a bowel movement that is so large and impacted that you can squeeze out a portion, but can't pinch it off, so it goes back in.

After that ground hog dump, I need some laxatives.

ground hog dump by Mike Oxhard July 11, 2006

Ground hog grease 

The skid mark found in one's shorts after one refuses to defecate when one should.

Barbara: I had to shit so bad, but I didn't want to log off facebook.

Sue: So what happened?

Barbara: When I finally logged off, I found some ground hog grease in my panties.

Ground hog grease by ryan p cooke April 24, 2009